Home / 4,228.32-6,340.92-1,454.20

Finding the Fourth Proportional to 4,228.32, 6,340.92 and 1,454.20

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Solution

The fourth proportional to 4,228.32, 6,340.92 and 1,454.20 is: 2,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.32 : 6,340.92 = 1,454.20 : x
  2. Step 2: Convert to fraction form
    4,228.32/6,340.92 = 1,454.20/x
  3. Step 3: Cross multiply
    4,228.32x = 6,340.92 × 1,454.20
  4. Step 4: Simplify right side
    4,228.32x = 9,220,965.86
  5. Step 5: Solve for x
    x = 9,220,965.86/4,228.32
  6. Step 6: Final answer
    x = 2,180.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.